25222839048 has 256 divisors, whose sum is σ = 80024371200. Its totient is φ = 7286400000.

The previous prime is 25222839029. The next prime is 25222839049. The reversal of 25222839048 is 84093822252.

25222839048 is a `hidden beast` number, since 2 + 522 + 2 + 83 + 9 + 0 + 48 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 25222838994 and 25222839012.

It is not an unprimeable number, because it can be changed into a prime (25222839049) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21913273 + ... + 21914423.

It is an arithmetic number, because the mean of its divisors is an integer number (312595200).

Almost surely, 2^25222839048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25222839048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40012185600).

25222839048 is an abundant number, since it is smaller than the sum of its proper divisors (54801532152).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25222839048 is a wasteful number, since it uses less digits than its factorization.

25222839048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1601 (or 1591 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The spelling of 25222839048 in words is "twenty-five billion, two hundred twenty-two million, eight hundred thirty-nine thousand, forty-eight".